Ridley Scott Plans to Take Alien Franchise in a New Direction.
After the mediocre success of Ridley Scotts latest contribution to the Alien franchise, Alien: Covenant, he may take the next two sequels in a completely different direction. The Hollywood Reporter published that Fox was interested in rethinking the two sequels Scott pitched to them before the release of Covenant because of the lackluster box office numbers it received, including a 71% drop just after the first weekend.

Alien 1979 IMDb.
Everyone who loves this movie knows what I'm' talking about. Ridley Scott had to be extremely careful not to show a full shot of the Alien, except in very brief scenes, and not to reveal exactly how it moves, because then we would see that it is just some tall, skinny guy in a rubber suit.

Alien film Wikipedia.
44 According to Gordon Carroll: The" first second that Ridley saw Giger's' work, he knew that the biggest single design problem, maybe the biggest problem in the film, had been solved" 42 Scott flew to Zürich to meet Giger and recruited him to work on all aspects of the Alien and its environment including the surface of the planetoid, the derelict spacecraft, and all four forms of the Alien from the egg to the adult.

Alien: Ridley Scott says another film is coming Den of Geek.
Ridley Scott says he is still planning another Alien prequel that focuses more on AI than chest-bursting monsters. Dec 5, 2017. You cant say the man is deterred, can you? The middling response to Alien prequel Prometheus was then followed by last summers Alien: Covenant.